"Thu, 29 Jan 1970 01:28:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700129
Only TIME
01:28:15
General datetime
1970-01-29 01:28:15Z
For Database
1970-01-29 01:28:15
For HTTP1.1
Thu, 29 Jan 1970 01:28:15 GMT